When a monkey escapes from a circus, Piggley and friends believe they've found an elusive "Irish gorilla". They set out to trap him, and in the process create an adventure of a lifetime.

When Meg is going to watch a DVD rather than read the book it's based on, Grandpa recalls the first time he ever got a book without pictures. As young Piggley reads the story, he imagines himself as the book's hero, Finn McCoul.

The Raloo Rockers want to go to Dublin to audition for Uncle Buck's Variety Express. But first they'll have to practise hard and raise some funds.

Captain Cumara is going to give Ferny a pet, but what kind? As Ferny, Piggley and Dannan wait for the captain to arrive, they imagine the impossible exotic animals that could be Ferny's new pet.

Grandpa Piggley recounts the story of the time he, Dannan and Ferny all built miniature ships and entered the Raloo River Race.

Piggley wants a new snow sled for his birthday but his father can't afford it.

When Piggley's substitute teacher asks them to write a two-page story he doesn't take it seriously.

After Dannan saves Hector from a mishap, a grateful but obnoxious Hector won't leave her alone.

Grandpa Piggley recounts the story of the time he was lost at sea and subsequently stranded on a remote island.

Dannan is thrilled when the children are invited to a big party hosted by Mr McGandry for his cousin, the Ambassador to Denmark, but Piggley's lack of social graces almost ruins the day.

Aunt Molly sends Meg some drawings she did as a 5-year old. The drawings illustrate Grandpa Piggley's stories and reveal the influence he had on his little sister.